The file "Global-cropland-Geoinformation.tfw" has the geinformation of "Global-cropland-percentage-map.tif" and "Global-cropland-confidence.tif". 

When the user downloads "Global-cropland-percentage-map.tif" or "Global-cropland-confidence.tif", the file "Global-cropland-Geoinformation.tfw" is also necessary to download. 

If the user employs ArcGIS or other software of remote sensing to open the files  "Global-cropland-percentage-map.tif" and "Global-cropland-confidence.tif", it is better to change the name of "Global-cropland-Geoinformation.tfw" to "Global-cropland-percentage-map.tfw" and "Global-cropland-confidence.tfw". Because of the restriction of the HARVARD Dataverse, we cannot upload the files with the same content. 